Science Topics term usage 2006-04-26

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

291	volcanoes
240	earthquakes
82	geographic information systems (GIS)
53	tectonic processes
47	energy resources
46	earthquake occurrences
38	earth structure
36	floods
35	oil resources
34	contamination and pollution
34	animals
32	mineral resources
31	surface water (non-marine)
30	maps and atlases
30	ground water
30	rocks and deposits
27	landslides
27	water quality
27	hydrology
27	endangered species
25	water resources
23	volcanic activity
22	earthquake probabilities
21	hazards
20	streamflow
20	ecosystems
20	remote sensing
19	water use
19	water supply and demand
18	ground-water flow
17	geologic history
16	acid deposition
16	wildlife
16	storms
16	global change
16	geologic structure
15	glaciation
15	nonvascular plants
15	tsunamis
14	cartography

Science Topics term usage Wednesday, 2006-04-26